Stockholders' Equity

3 Months Ended

Mar. 31, 2022

Stockholders' Equity Note [Abstract]

Stockholders' Equity

11. Stockholders' Equity

Common Stock

The Company’s Certificate of Incorporation, as amended, authorized the Company to issue 150,000,000 shares of $0.0001 par value common stock as of December 31, 2021.

Common stockholders are entitled to dividends if and when declared by the Board of Directors subject to the prior rights of the preferred stockholders. As of March 31, 2022, no dividends on common stock had been declared by the Board of Directors.

The Company has the following shares of common stock reserved for future issuance:

	March 31, 2022		December 31, 2021
Stock options available for future grant		3,531,453		1,961,338
Stock options issued and outstanding		5,376,145		3,875,317
Unvested restricted stock units		538,660		771,660
Common stock warrants issued and outstanding		220,890		220,890
Total common stock reserved		9,667,148		6,829,205

Warrants to Purchase Shares of Common Stock

As of March 31, 2022, the Company’s outstanding warrants to purchase shares of common stock, consisted of the following:

Issuance Date	Number of Shares of Common Stock Issuable		Exercise Price		Classification	Expiration Date
September 15, 2020		101,610	$	11.3177	Equity	July 25, 2026
September 15, 2020		30,924	$	11.3177	Equity	August 21, 2026
September 15, 2020		77,312	$	11.3177	Equity	September 19, 2026
September 15, 2020		11,044	$	11.3177	Equity	September 26, 2026
		220,890